<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        /* 选择|   分组() */
        var str = "哪里，哪去能发多少积分"
        var reg = /哪里|能发/g
        console.log(str.replace(reg,"*"));
    </script>
</body>
</html>